• Tue

    Aug 18

    75°Lo 63°

    Mostly sunny and less humid

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      83°
    more
  • Wed

    Aug 19

    78°Lo 66°

    Overcast

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      80°
  • Thu

    Aug 20

    81°Lo 61°

    Mostly sunny

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      87°
    more
  • Fri

    Aug 21

    79°Lo 65°

    Partly sunny

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      20%
    • Hi
      RealFeel
      79°
    more
  • Sat

    Aug 22

    80°Lo 66°

    Mostly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      80°
    more
Next Previous
Hi 78° RealFeel® 80° Precipitation 25%

Day

N

E

S

W

  • E 2 mph
  • Gusts: 4 mph

Overcast

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 64° Precipitation 25%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 5 mph

Clearing

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 19

more Historical Weather Data >
  Today Normal Record 8/19/2014
High 78° 81° N/A 79°
Low 66° 61° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:47 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:39 AM with 11:24 of moolight, then sets at 10:03 PM

Derry Weather Report

Boston: Warmth to Continue Early This Week Before Cooldown Arrives

August 4, 2015; 12:05 AM ET

Above-average temperatures will continue through the early part of this week around Boston but a cooldown is on the horizon. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?